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4 years ago

A store is having a 25•/• off sale on all shirts. show two ways to calculate the sale price for a shirt that normally costs $24.

2 answers:

7 0

If it's 25% off, then the new price is 75% of the old price
so multiply 75% or 0.75 by 24 = 18

or you could do it this way:
25% is 1/4. so to get 1/4 of 24 divide: 24/4 = 6 (the discounted amount)
then subtract: 24 - 6 = 18

so either percentages or fractions!

tia_tia [17]4 years ago

3 0

24 x .25 is 6, so 24 - 6 is $18.00.

I don't know another way sorry.

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Look at this graph.

Marina86 [1]

Answer:

4/3

Step-by-step explanation:

8 0

3 years ago

****BRAINLIEST GOES TO THE FIRST CORRECT ANSWER****

monitta

2x =50 since it is an isosceles triangle

x =25

the sum of all angles in a triangle is 180

5y + 10 + 50 + 2x=180

5y + 10 + 50 +50 =180 because 2x = 50

combine like terms

5y +110 = 180

subtract 110 from each side

5y = 70

y = 14

8 0

3 years ago

Read 2 more answers

US average math SAT scores follow a normal distribution with a mean of 505 and a standard deviation of 112. A sample of 64 enter

Hitman42 [59]

Answer:

The claim that the scores of UT students are less than the US average is wrong

Step-by-step explanation:

Given : Sample size = 64

Standard deviation = 112

Mean = 505

Average score = 477

To Find : Test the claim that the scores of UT students are less than the US average at the 0.05 level of significance.

Solution:

Sample size = 64

n > 30

So we will use z test

$H_0:\mu \geq 477\\H_a:\mu < 477$

Formula : $z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

$z=\frac{505-477}{\frac{112}{\sqrt{64}}}$

$z=2$

Refer the z table for p value

p value = 0.9772

α=0.05

p value > α

So, we accept the null hypothesis

Hence The claim that the scores of UT students are less than the US average is wrong

3 0

3 years ago

Can someone help me out????

Marta_Voda [28]

Answer:

Step-by-step explanation:

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6 0

3 years ago

Can someone get this? Ive been trying and cant get it

Dmitry [639]

Given :-

The roots of the function are 5 and -3 .

To Find :-

The Quadratic function .

Answer :-

The roots of the function are 5 and -3 . In general we can write the Quadratic function with roots π and ∆ as ,

$\sf\longrightarrow$ f(x) = ( x - π )(x-∆)

So on using this we have ,

$\sf\longrightarrow$ f(x) = ( x -5)( x -(-3))

$\sf\longrightarrow$ f(x) = (x-5)(x+3)

$\sf\longrightarrow$ f(x) = x(x-5)+3(x-5)

$\sf\longrightarrow$ f(x) = x² -5x +3x -15

$\sf\longrightarrow$ f(x) = x² -2x -15

Hence the required answer is x² -2x -15.

6 0

2 years ago